918

918 is an integer that follows 917 and precedes 919. In mathematics, it is an even, composite number with prime factorization 2 × 3^3 × 17, making it divisible by 2, 3, 9, and 17. In Roman numerals it is written as CMXVIII.

In numerals used by computers and digital notation, 918 equals 1110010110 in binary and 0x396 in hexadecimal.

As a calendar reference, 918 can denote the year AD 918, a point in the early medieval period. Historical events from that year vary by region and are recorded in different chronicles.

Geographically and in telecommunications, 918 is the area code for the eastern part of Oklahoma, including the Tulsa metropolitan area. An overlay, 539, has been added to the same numbering region, requiring ten-digit dialing for local calls.

In popular technology and automotive contexts, 918 is also associated with the Porsche 918 Spyder, a limited-production plug-in hybrid supercar produced from 2013 to 2015. The model designation 918 is notable for signaling its high-performance design, combining a V8 engine with electric motors and a focus on advanced hybrid technology.